USAIP.EU VPN (PPTP,L2TP,SSTP,OpenVPN) compatible ISP's in Poland 

The following ISP's were found to be compatible with our service. This means that at least 1 of our users logged into our VPN service via that ISP and confirmed to us that the service is fully functional. Please note, that even if the ISP you are looking for is not listed here, there is a very high chance of compatibility. Please use our FREE demo account to check compatibility so that you can subscribe with confidence.

'TELNET' Marek Zimolong     last reported working:  May 2013
4 NET S.C.     last reported working:  September 2010
A.Z.i M.Hynasinscy sp.j.     last reported working:  February 2013
Abaks     last reported working:  May 2012
AC Systemy Komputerowe Stanislaw Bor s.j.     last reported working:  October 2012
Academic Computer Centre     last reported working:  March 2011
Academic Computer Centre CYFRONET AGH     last reported working:  November 2012
ADAMPOLNET Damian Bogucki     last reported working:  October 2012
Advanced Technology Manufacturing Inc. (ATM S.A.)     last reported working:  March 2012
Aero 2 sp. z o.o.     last reported working:  January 2013
Aero.net.PL sp. z o.o.     last reported working:  January 2013
Agencja-reklamowa-czart     last reported working:  August 2012
ALFA-SYSTEM M. Piwowarski, A. Widera spolka jawna     last reported working:  June 2012
Altec Systems     last reported working:  January 2011
AP-MEDIA Andrzej Kuchta, Marcin Szmyd, Lukasz Sano     last reported working:  September 2012
ARKOM Mucharski Adam     last reported working:  December 2012
Arma-San Sp.J S.J Bartczuk W.I Kownaccy     last reported working:  October 2011
ART-COM Sp. z o.o.     last reported working:  October 2012
AS-SAT     last reported working:  October 2012
AS-SAT Marcin Dariusz Prymas     last reported working:  February 2010
ASTA-NET Maldzinski     last reported working:  March 2011
ASTA-NET Maldzinski, Ryczek Spolka Jawna     last reported working:  May 2013
Aster City Cable Ltd.     last reported working:  October 2010
ASTER Krakow sp. z o.o.     last reported working:  October 2010
ASTER Sp. z o.o.     last reported working:  January 2013
ASTER Sp. z.o.o.     last reported working:  May 2013
ATM S.A.     last reported working:  May 2013
ATTU Sp. z o.o.     last reported working:  January 2012
Audio Systems s.c. R.Grzegorek A.Cuprych     last reported working:  September 2012
AVIS Media Dziubinski & Gintrowicz     last reported working:  May 2013
AWB-NET Agnieszka Barzdo     last reported working:  February 2013
Azyl PPHU Pawel Gatner     last reported working:  April 2013
BAIT Sp. z o.o     last reported working:  November 2011
BALMONT     last reported working:  December 2011
Bartlomiej Borkowski borkow.org PPHU     last reported working:  November 2012
Bartlomiej Siuta - SHENTEL     last reported working:  December 2012
Bemowo District of Warsaw     last reported working:  September 2012
Beskid Media Sp.zoo     last reported working:  February 2013
BESTGO.PL sp. z o.o.     last reported working:  January 2013
BetaNET Sp. z o.o.     last reported working:  May 2013
BIALL-NET Sp. z o.o.     last reported working:  April 2013
Bialogardzka Spoldzielnia Mieszkaniowa     last reported working:  September 2012
Biuro Uslug Komputerowo - Internetowych ManieraSer     last reported working:  March 2013
Biuro Uslug Komputerowo-Internetowych ManieraServi     last reported working:  September 2012
Bluewin     last reported working:  April 2013
Borkowski Bartlomiej Borkow.org Pphu     last reported working:  November 2012
Cable TV Elpos Ltd.     last reported working:  January 2013
CATRO s.c.     last reported working:  October 2012
CaTV Torun Network     last reported working:  December 2010
Centralny Wezel Lacznosci Ministerstwo Obrony Naro     last reported working:  April 2013
Centrum Informatyki Grupy PZU S.A.     last reported working:  March 2012
Centrum Informatyki ROW Sp.z o.o.     last reported working:  November 2012
Centrum Telewizji Kablowej JIM-SAT Sp. z o.o.     last reported working:  December 2012
Chajkaluk Lukasz TAU INTERNET     last reported working:  February 2011
Cheeloo Pasieka i Wspolnicy Sp. J.     last reported working:  June 2012
City Partner sp. z o.o.     last reported working:  March 2012
CITY-SAT GORDZIELIK Sp. z o.o.     last reported working:  October 2012
CKPOLSL - Silesian University of Technology     last reported working:  June 2011
CKPOLSL - Silesian University of Technology, Compu     last reported working:  February 2013
Club Net - Fuja, Gincelis i Plonski - Sp. J.     last reported working:  April 2012
COE.pl sp. z o.o.     last reported working:  December 2010
COMNET Adam Rak     last reported working:  January 2012
Compi.Net     last reported working:  October 2010
Compower Internet Service Provider     last reported working:  November 2012
Connecta sp. z o.o.     last reported working:  January 2013
Connected sp. z o. o.     last reported working:  February 2013
Connected through Internet Solutions and Systems s     last reported working:  March 2011
Connectic S.C. Rafal Paluch, Grzegorz Golda     last reported working:  December 2011
Crowley Data Poland Sp. z.o.o.     last reported working:  February 2013
Customers of SMGR     last reported working:  May 2012
Czarnet s.c. Krzysztof Szymura Andrzej Owczarek     last reported working:  November 2012
Czestochowska Spoldzielni Mieszkaniowa Nasza Praca     last reported working:  February 2012
Dar.Net Dariusz Lyczko     last reported working:  September 2012
Debacom Sp. z.o.o.     last reported working:  March 2013
Derbynet S.c.     last reported working:  February 2013
Derkom S.P Jawna Dariusz Klimczuk     last reported working:  March 2013
dg-net.pl Anna Lis     last reported working:  December 2012
Diana Telewizja Kablowa J.Seidler, M.Betleja, W.Wo     last reported working:  April 2012
DOLSAT sp. z o.o.     last reported working:  September 2012
Domtel Telecom Dariusz Dombek     last reported working:  February 2013
Dudziuk Krzysztof eurotelpol     last reported working:  October 2012
E-SBL.NET sp. z o.o.     last reported working:  May 2012
East & West Sp. z o.o.     last reported working:  April 2013
eData S.C.     last reported working:  May 2012
EDIS GmbH     last reported working:  May 2013
EKOTRANSTECH Ewelina Libera     last reported working:  September 2012
Elektro-system     last reported working:  October 2012
Elektro-system Lukasz Lesniak     last reported working:  October 2012
Elektropim s.c.     last reported working:  December 2012
ELKNET S.C. Dariusz Kraszewski     last reported working:  May 2011
ELnets Tadeusz Libuszewski     last reported working:  April 2012
ELPRO - Elektronika Profesjonalna Waldemar Nitka     last reported working:  April 2010
Eltronik Media Sp. z o.o. - Sp.k.     last reported working:  May 2012
Elwico s.c.     last reported working:  December 2012
elzappero.net Marcin Zapotoczny     last reported working:  January 2013
ENFORMATIC Sp. z o.o.     last reported working:  May 2013
Enterpol K. Krol P. Latosiewicz B. Wojciechowski     last reported working:  January 2013
Espol Sp. z o. o.     last reported working:  April 2013
eTOP sp. z o.o.     last reported working:  November 2011
Eurofux     last reported working:  March 2013
Euronet s.c. Norbert Saniewski     last reported working:  July 2011
Euronet s.c. Norbert Saniewski, Joanna Saniewska     last reported working:  January 2013
EuroTransit GmbH     last reported working:  December 2011
Exatel S.A.     last reported working:  March 2013
F.H.U. COMP-SERWIS Radoslaw Bilski     last reported working:  February 2013
F.h.u.comax Ryszard Tecza     last reported working:  November 2012
Falcom Sp. z o.o.     last reported working:  June 2011
FERO Agnieszka Budner     last reported working:  July 2012
Fiberway Sp. z o.o.     last reported working:  October 2012
FineMEDIA s.c.     last reported working:  May 2012
Firma C3 - Dariusz Jaworski     last reported working:  April 2012
Firma Handlowa Giga Arkadiusz Kocma     last reported working:  December 2012
Firma Handlowo - Uslugowa MultiFOX     last reported working:  November 2012
Firma VICTOR Mateusz Odrzywolek     last reported working:  April 2013
FORWEB     last reported working:  September 2012
FPUH Czajen Krzysztof Czaja     last reported working:  November 2012
Futuro Exito Sp. z o.o.     last reported working:  January 2013
G-COM     last reported working:  March 2012
G.Art Technology Artur Grabiec     last reported working:  May 2013
Galileusz Sp. z o.o.     last reported working:  May 2012
Gawex Media Sp. z o. o.     last reported working:  May 2013
Gawex Media Sp. z o.o.     last reported working:  March 2013
Gawex-Media Sp. z o.o.     last reported working:  March 2012
GCO sp. z o.o     last reported working:  January 2013
Gemini Internet     last reported working:  April 2013
GHNET s.c. Jacek Gzyl     last reported working:  March 2011
GIGA Komputer Ilona Skupien     last reported working:  July 2012
Global Connect Sp. z.o.o.     last reported working:  August 2009
GLOBITEL Sp. z o.o.     last reported working:  December 2011
Gostaresh Ertebatate Mabna Co. Ltd.     last reported working:  April 2013
Grakom Andrzej Liszka     last reported working:  April 2013
GTS Poland Sp. z o.o.     last reported working:  April 2013
GTS Polska Sp. z o.o.     last reported working:  February 2011
HardCom Sp. z o.o.     last reported working:  June 2011
Hawe Telekom Sp. z.o.o.     last reported working:  April 2013
HLG sp. z o.o.     last reported working:  May 2013
HomeNet Technologies sp. z o.o.     last reported working:  August 2012
HORYZONT TECHNOLOGIE INTERNETOWE S.C. PIOTR SZALAM     last reported working:  August 2011
Hosteam S.c.     last reported working:  July 2012
Hyperion S.A.     last reported working:  November 2012
HYPERION WSCHOD SP. Z O.O.     last reported working:  December 2011
I.B.S. Elektronics Izabela Stefanko     last reported working:  December 2012
IDEALAN     last reported working:  June 2012
IMPERIUM P.W.     last reported working:  May 2013
INEA S.A.     last reported working:  April 2013
Inet Centrum S.c. Jolanta Brandys, Pawel Brandys     last reported working:  October 2012
Information Technology Company (ITC)     last reported working:  March 2013
Inkor Sp. Z O.o.     last reported working:  November 2012
Inotel S.A.     last reported working:  April 2013
INSITE Sp. z o.o.     last reported working:  January 2012
Institute of Bioorganic Chemistry     last reported working:  December 2011
Institute of Soil Science and Plant Cultivation     last reported working:  December 2012
Intelligent Technologies S.A.     last reported working:  March 2011
INTERBLOCK     last reported working:  June 2012
Interconnect R. Wrobel, K. Gambus Sp. J.     last reported working:  November 2012
INTERDUO LUKASZ BUJEK, JAROSLAW KLOPOTEK, JAKUB SO     last reported working:  December 2011
InterKAM S.C. ZBIGNIEW KOWALEWSKI, SYLWIA SZCZEPAN     last reported working:  February 2013
Interkonekt S.C. Barczyk Pawel, Furman Tomasz     last reported working:  January 2013
Internet Cafe Uslugi Informatyczne Miroslaw Backie     last reported working:  January 2013
Internet Solutions and Systems sp. z o.o.     last reported working:  October 2012
Internet Union Pawel Dobosz     last reported working:  May 2012
Internet Union Spolka Akcyjna     last reported working:  April 2013
Internetia - Jastrzebie     last reported working:  November 2012
Internetia Sp. z.o.o.     last reported working:  April 2011
Internetia Sp.z o.o.     last reported working:  May 2013
INTERQ Uslugi Internetowe S.C.     last reported working:  July 2012
Intertele S.A.     last reported working:  April 2013
IPC Roman Romanowski     last reported working:  November 2011
ISR ENTERPOL S.C.     last reported working:  January 2012
IST s.c. Malgorzata Trawinska Mariusz Trawinski     last reported working:  April 2013
ISTS Sp. z o.o.     last reported working:  February 2013
IT Futura     last reported working:  October 2012
IT Systematic Group Bukowczyk Piotr     last reported working:  July 2012
ITCOMP Sp. z o.o.     last reported working:  May 2012
itelligence (PL)     last reported working:  October 2011
ITV Media Tomasz Barlak     last reported working:  December 2012
IWACOM Sp. z o.o.     last reported working:  March 2012
Jarsat s.c. Jaroslaw i Elzbieta Przedwojscy     last reported working:  October 2012
JJS Sp. z o.o.     last reported working:  May 2012
JMDI Jacek Maleszko     last reported working:  April 2013
K3 Kurek Kamil.     last reported working:  April 2012
Karol Dziecielski, INTERKAR KOMPUTER SERWIS     last reported working:  December 2012
Kielce University of Technology     last reported working:  December 2011
Kijak Sebastian Maciej     last reported working:  April 2013
KLINIKA KOMPUTERA Artur Wolski     last reported working:  November 2012
KoBa Konrad Baranowski     last reported working:  February 2013
KOLNET s.c.     last reported working:  January 2013
Komputer-Tech Krzysztof Siegien     last reported working:  June 2012
Korbank Sp. z o.o.     last reported working:  February 2013
KORBANK sp. z.o.o.     last reported working:  November 2011
KSI System Sp. z o.o.     last reported working:  February 2013
KSU Provector Network     last reported working:  December 2011
Kujawsko - Pomorska Siec Informacyjna Sp. z o.o.     last reported working:  May 2012
Lanet Sp. z o.o.     last reported working:  April 2013
Laska Telewizja Kablowa Sp.zoo     last reported working:  November 2012
Lasnet uslugi komputerowe Robert Gulbinowicz     last reported working:  January 2013
LCS Systemy Teleinformatyczne     last reported working:  June 2012
LEON sp. z o.o.     last reported working:  May 2013
LIMES s.c.     last reported working:  May 2013
LIMES s.c. Internet Communication     last reported working:  April 2013
LNET, Lodz, Poland     last reported working:  December 2011
Lubuskie Sieci Swiatlowodowe Sp. z o. o.     last reported working:  October 2012
LukMAN Multitech Sp. z o.o.     last reported working:  February 2012
Malopolska Telewizja Kablowa S.TAR-TV Sp. z o.o.     last reported working:  December 2011
Marcin Pietrucha as Maverick     last reported working:  November 2012
MARCIN POLOCZEK POLNET     last reported working:  February 2012
Maria Curie-Sklodowska Univerity     last reported working:  January 2013
Marsoft S.A.     last reported working:  March 2013
MARTEL Marta Bienia     last reported working:  November 2011
MASTER IT Technologies     last reported working:  April 2011
MASTER IT Technologies, a.s.     last reported working:  May 2013
MASTER sp. z o.o.     last reported working:  August 2012
Matrix-net.pl     last reported working:  March 2013
Matrix.pl S.A.     last reported working:  February 2013
Media Operator Sp. z o. o.     last reported working:  May 2012
MediaHost INTERNET Dariusz Hawryluk     last reported working:  January 2013
Medicover Sp. z o.o.     last reported working:  November 2012
MERITA Maria Zabrocka     last reported working:  November 2011
Meritum Bank ICB S.A.     last reported working:  January 2013
Metro Internet Sp. z o.o.     last reported working:  October 2012
MGK Rafal Chmielewski     last reported working:  May 2013
Miconet Sp. z o.o.     last reported working:  November 2012
Mihan Communication Systems Co.,ltd     last reported working:  March 2013
MIKEMI S.C. Jacek Penkala Krystyna Muszynska     last reported working:  February 2012
Mlodziezowa Spoldzielnia Mieszkaniowa     last reported working:  May 2013
MNI Telecom S.A.     last reported working:  May 2013
MNT-SHUPASHKARTRANS     last reported working:  April 2013
MS-NET Milosz Szewczak     last reported working:  November 2011
MT-Net G.Wojcik J.Kusnierz s.c.     last reported working:  May 2012
MTM-INFO S.C. Mariusz Pikor, Tomasz Taczanski     last reported working:  April 2013
MUCHA Pawel Mucha Marcin Mucha Spolka Cywilna     last reported working:  August 2012
MULTI-IP Sp. z o.o.     last reported working:  December 2012
Multimedia Polska     last reported working:  May 2012
Multimedia Polska S.A.     last reported working:  May 2013
NASK Research and Academic Computer Networks     last reported working:  April 2013
Naukowa I Akademicka Siec Komputerowa Instytut Bad     last reported working:  May 2013
NCORE Sp. z o.o.     last reported working:  January 2013
Neostrada Plus     last reported working:  May 2013
Net-Bis s.c. Wlodzimierz Gasior, Jolanta Gadek     last reported working:  October 2012
Net-connect Karol Sarlej     last reported working:  March 2013
NET-KONT@KT S.C. M. Pawlak P. Janicki     last reported working:  November 2012
Net-Sat Media sp. z o.o.     last reported working:  October 2012
NetDirect     last reported working:  August 2009
Netfala Mariusz Chmielewski     last reported working:  July 2012
Netia SA     last reported working:  May 2013
NETICO S.C. Network     last reported working:  January 2012
NETING Pawel Kuczynski     last reported working:  November 2012
NETonSKY.pl JANIAK PIOTR     last reported working:  December 2012
Netpark Pawel Cebo, Artur Wegrzynski     last reported working:  January 2012
NETPRO sp. z o.o.     last reported working:  April 2012
Nette sp. z o.o.     last reported working:  March 2012
Nettel Inwestycje     last reported working:  August 2009
Network of TOSA Poland     last reported working:  November 2012
Nitronet Sp. z. o.o.     last reported working:  January 2013
NOWATEL Sp. z o.o.     last reported working:  October 2012
NPLAY Sp. z o.o     last reported working:  February 2013
Okregowa Spoldzielnia Telefoniczna w Tyczynie     last reported working:  February 2013
Ostrog.NET J.Walega & M.Musiol Spolka Jawna     last reported working:  July 2012
Ovh Systems     last reported working:  March 2013
P.H.U. Alfa Computers     last reported working:  July 2012
P.H.U. Mokadi Wieslawa Kazmierczak     last reported working:  July 2012
P.h.u. Neti Pawel Cisowski     last reported working:  February 2013
P.H.U. Tronic     last reported working:  May 2012
P.P.H Rene, Slupsk     last reported working:  July 2012
P.P.H.U A&K Chamerlinscy s.j.     last reported working:  November 2012
P.P.H.U AWIST     last reported working:  February 2012
P.P.H.U. BMJ Sp.J. W.Baran J.Pogonowski     last reported working:  March 2013
P.P.U.H. Neo-Trix Halina Smagowska     last reported working:  November 2012
P.t.i. Algo     last reported working:  December 2012
P.U.H System Sat     last reported working:  August 2012
P.W. MARTON Mariusz Trabczynski     last reported working:  April 2012
PAGI - General Information Agency     last reported working:  June 2012
PasjoNet Sp. z o.o.     last reported working:  August 2009
PC-Serwis-AthleticStudio     last reported working:  February 2012
Petrotel Sp. z o.o.     last reported working:  December 2012
Petrus Polska Sp. z o.o. spolka komandytowo-akcyjn     last reported working:  February 2013
PHU CAN Galuszka Dariusz     last reported working:  April 2013
PI Punkt sp. z o.o.     last reported working:  November 2012
PiekaryNet     last reported working:  April 2013
PikoNet sp. z o.o.     last reported working:  December 2011
Pirxnet Grzegorz Bialas     last reported working:  November 2012
PLAST-COM     last reported working:  October 2012
Play Mobile     last reported working:  May 2013
PLJ TELECOM S.C. Pawel Kurpiewski, Anna Stec     last reported working:  December 2011
Podkarpacki.net Rafal Czarny     last reported working:  April 2013
POLBOX Ltd     last reported working:  September 2010
Polish Telecom     last reported working:  October 2010
Politechnika Bialostocka     last reported working:  December 2012
Polkomtel S.A.     last reported working:  February 2013
POLMEX - SERWIS S.C. Artur Furtak, Monika Joanna     last reported working:  August 2012
Polska Telefonia Cyfrowa S.A.     last reported working:  May 2013
Polska Telefonia Cyfrowa Sp. z o.o.     last reported working:  May 2012
Powszechna Agencja Internet S.A.     last reported working:  December 2011
Poznanska Spoldzielnia Mieszkaniowa Winogrady w Po     last reported working:  October 2012
PPH Krawarkon Sp. z o.o.     last reported working:  June 2012
PPHU Danar Danuta Wojtysiak     last reported working:  April 2013
PPMUE TELPOL Jerzy Krempa     last reported working:  April 2013
Pro-internet Sp. z o.o.     last reported working:  January 2013
PROFI PARTNER Bilocha Arkadiusz     last reported working:  May 2012
PROFILINE Sp.z.o.o     last reported working:  July 2012
Profit Group sp. z o.o.     last reported working:  March 2013
PROTONET Adrian Ludyga     last reported working:  February 2013
PROXNET SP.J.     last reported working:  December 2011
Przedsiebiorstwo Handlowo Uslugowe NETCOM Ryszard     last reported working:  September 2012
Przedsiebiorstwo Panstwowe Porty Lotnicze     last reported working:  February 2013
Przedsiebiorstwo Produkcyjno-Uslugowo-Handlowe 'Du     last reported working:  November 2011
Przedsiebiorstwo PROMAX Sp j.     last reported working:  February 2012
Przedsiebiorstwo PROMAX Spolka Jawna Zofia Formane     last reported working:  March 2013
Przedsiebiorstwo Zastosowan Elektroniki Ask     last reported working:  March 2012
Przedsiebiorstwo Zastosowan Elektroniki ASK Pawel     last reported working:  February 2013
Pskov Online Ltd. Network     last reported working:  July 2012
PTK-Centertel     last reported working:  May 2013
PTU WLAN-TECH PLUS JACEK SOlTYS     last reported working:  September 2012
PUH Vatus Rafal Wejman     last reported working:  June 2012
RadioZET sp. z o.o.     last reported working:  May 2011
Radom MAN     last reported working:  November 2011
Rafal Slawinski Sejnet     last reported working:  May 2013
Regionalna Telewizja Kablowa Spolka Jawna L.Iwansk     last reported working:  July 2012
Renata Janowicz X-Com Partners     last reported working:  January 2012
RES.PL ISP     last reported working:  March 2013
REWOLUCJA-NET Marceli Kaczor     last reported working:  November 2012
RIO Media a.s.     last reported working:  April 2012
Robbo Computer     last reported working:  February 2012
RoEduNet     last reported working:  May 2012
Ronus Beata Polrolniczak     last reported working:  November 2012
Rudna-Net Mariola Piatkowska     last reported working:  June 2012
RWD PROSPECT sp.z o.o.     last reported working:  October 2012
Rybnet Sp. z o.o. Sp. k.     last reported working:  November 2012
S.U.O.T.S. TEOSAT     last reported working:  March 2012
Saite Szerszen Dariusz     last reported working:  June 2012
Sanetja s.j.     last reported working:  July 2010
Sat Film Sp. z o.o.     last reported working:  April 2012
Sat Film Sp. z o.o. i Wspolnicy Sp. k.     last reported working:  May 2013
SECO-BIURO INZYNIERSKIE SYSTEMY POMIAROWE I MONITO     last reported working:  December 2011
Servcom Sp. z o.o.     last reported working:  January 2013
SFERIA S.A.     last reported working:  February 2012
Siec2000 network     last reported working:  February 2012
Sieci Blokowe S.C.     last reported working:  April 2013
Sileman Sp. z o.o.     last reported working:  May 2013
Silesian University of Technology     last reported working:  August 2009
Silesian University of Technology, Computer Centre     last reported working:  January 2013
SilesNet s.r.o.     last reported working:  December 2012
SINUSNET S.C. Marcin Trzesniewski, Rafal Gorski     last reported working:  October 2012
SITEL Sp z o. o.     last reported working:  January 2013
Skomur J.K. Pruscy     last reported working:  July 2009
Skomur J.K. Pruscy, D.P. Kaczmarek     last reported working:  May 2012
SkyLan Magdalena Czekalska     last reported working:  December 2012
Skyline Dawid Rachuta     last reported working:  November 2012
Skynet Internet Provider     last reported working:  August 2011
Skynet Spolka Jawna, Krzysztof Skorupski, Filip Ba     last reported working:  January 2012
SkyNets     last reported working:  November 2012
SL-NET s.c.     last reported working:  December 2012
Slaska Grupa Multimedialna - Infrastruktura sp. z     last reported working:  April 2012
Slaska Grupa Multimedialna Infrastruktura sp. z o.     last reported working:  December 2012
SLASKIE SIECI INTERNETOWE S.C.     last reported working:  March 2012
Smartjog SAS     last reported working:  December 2012
SOFT PRO 2 Sp. z o.o.     last reported working:  October 2012
SolarMe Tomasz Kaszynski     last reported working:  September 2011
Soroush Rasanheh Company Ltd     last reported working:  January 2013
SPI-NET Norbert Nowicki     last reported working:  May 2013
Spine Jacek Watorek     last reported working:  November 2009
Spoldzielnia Mieszkaniowa LOKATOR     last reported working:  August 2012
Spoldzielnia Mieszkaniowa Lokatorsko Wlasnosciowa     last reported working:  December 2012
Spoldzielnia Mieszkaniowa Polnoc     last reported working:  May 2012
Spoldzielnia Mieszkaniowa w Grudziadzu     last reported working:  January 2013
Spoldzielnia Telekomunikacyjna WIST W Lace     last reported working:  April 2013
Spray S.A.     last reported working:  April 2012
SPRAY-NET-WARSZAWA     last reported working:  January 2011
SpTelek sp. z o.o.     last reported working:  July 2012
SSH sp z o.o.     last reported working:  April 2013
Stansat Stanislaw Grzesik     last reported working:  February 2013
STK Astral     last reported working:  January 2013
STK RetSat     last reported working:  April 2013
StormMedia Mariusz Grabowski     last reported working:  March 2013
Stowarzyszenie Milosnikow Internetu INDS     last reported working:  August 2012
Stowarzyszenie Olawska Telwizja Kablowa     last reported working:  February 2013
Stowarzyszenie Telewizja Teofilow B     last reported working:  January 2011
Straz Graniczna Rzeczypospolitej Polskiej     last reported working:  August 2012
Stream Communications sp. z o.o.     last reported working:  November 2012
STRONG-PC     last reported working:  August 2012
SUKCESnet/E-Siemianowice     last reported working:  August 2012
SUPERMEDIA Sp.z.o.o.     last reported working:  December 2012
SYRION SP. Z O.O.     last reported working:  October 2012
Systel Systemy Teleinformatyczne M. Linscheid Spol     last reported working:  October 2012
SYSTEM Andrzej Jagielo Spolka Jawna     last reported working:  November 2012
System X II Barbara     last reported working:  June 2011
System X II Barbara, Marek Szymczak Spolka Jawna     last reported working:  January 2013
T-Mont s.c. Jerzy Grabski     last reported working:  March 2011
Tarman-NET     last reported working:  April 2012
Tarnobrzeska Spoldzielnia Mieszkaniowa     last reported working:  December 2012
Tarnowski Osrodek Informacyjny Aleksander Rajski     last reported working:  May 2013
TASK Academic Computer Centre     last reported working:  April 2013
Technical University of Gdansk     last reported working:  February 2012
Technical University of Gdansk, Academic Computer     last reported working:  March 2013
Technical University of Koszalin     last reported working:  May 2013
Technical University of Lodz Computer Centre     last reported working:  November 2009
Telefonia Dialog S.A.     last reported working:  April 2013
Telekomunikacja Internetowa Sp. z o.o     last reported working:  December 2012
Telekomunikacja Internetowa Sp. z o.o.     last reported working:  November 2011
Telekomunikacja Kolejowa Sp. z o.o.     last reported working:  December 2009
Telekomunikacja Kopaln Piasku S.A.     last reported working:  April 2012
Telekomunikacja Podlasie Sp. z o.o.     last reported working:  December 2012
Telekomunikacja Polska S.A.     last reported working:  May 2013
Telekomunikacja Zwiazku Gmin Ziemi Wielunskiej S.A     last reported working:  May 2013
Telewizja Kablowa Chopin Bogdan Laga Dariusz Schmi     last reported working:  January 2013
Telewizja Kablowa INSAT s.c.     last reported working:  March 2013
Telewizja Kablowa Kolobrzeg, Agencja Uslugowo - Re     last reported working:  January 2013
Telewizja Kablowa Koszalin     last reported working:  March 2012
Telewizja Kablowa Koszalin sp. z o. o.     last reported working:  May 2013
Telewizja Kablowa SLUPSK Sp. z o.o.     last reported working:  October 2012
Telewizja Kablowa Turmak Sp z o.o.     last reported working:  December 2011
TELICO Sp. z o.o.     last reported working:  January 2013
Telkab sp. z o.o.     last reported working:  February 2013
Telkonekt Sp. z o.o.     last reported working:  August 2012
Telnet Sp z o.o.     last reported working:  March 2011
Telsat Systemy Teleinformatyczne     last reported working:  March 2013
Telsat Systemy Teleinformatyczne Michal Kowalski     last reported working:  February 2013
TepsaNet Stanislaw Nowacki     last reported working:  January 2012
Tesat Sp. z o.o     last reported working:  August 2012
the network covers whole Krakow area     last reported working:  July 2012
the network covers whole Wroclaw area     last reported working:  March 2013
The network of Technical University of Czestochowa     last reported working:  December 2011
TIMPLUS S.C.     last reported working:  February 2013
TK Telekom sp. z o.o.     last reported working:  May 2013
TKP S.A.     last reported working:  May 2013
Top-net Tomasz Czajkowski     last reported working:  August 2012
Torunskie Zaklady Materialow Opatrunkowych S.A.     last reported working:  July 2011
Toya sp.z.o.o     last reported working:  May 2013
TP EMITEL Sp z.o.o.     last reported working:  October 2012
TP Nets.com Tomasz Bathelt, Piotr Marciniak     last reported working:  April 2012
TP S.A. Centrum Systemow Teleinformatycznych     last reported working:  January 2010
Traco-Sat s.c.     last reported working:  November 2012
TTcomm S.A.     last reported working:  November 2012
TVK Elzbieta Zjawiona     last reported working:  November 2012
University of Silesia in Katowice     last reported working:  June 2011
University of Technology and Agriculture in Bydgos     last reported working:  February 2013
Uniwersytet Zielonogorski     last reported working:  December 2012
UPC Polska Sp. z o.o.     last reported working:  May 2013
Uslugi Informatyczne Wieslaw Mazur     last reported working:  July 2010
Uslugi Internetowe Majestic     last reported working:  October 2012
Uslugi Komputerowe Radoslaw Kozdeba     last reported working:  May 2013
VECTRA LTD     last reported working:  May 2013
Vectra S.A.     last reported working:  March 2011
VECTRA TECHNOLOGIE S.A.     last reported working:  May 2013
Ventus s.c. Krzysztof Stawowczyk, Robert Honkisz     last reported working:  December 2012
VERAX Office Equipment Hermann Diekemper     last reported working:  April 2012
Virtual Line     last reported working:  June 2012
VIRTUAL TELECOM A. Sergiel, D. Ladniak Spolka Jaw     last reported working:  May 2012
VLine provider     last reported working:  March 2013
Volta Communications Sp.z.o.o.     last reported working:  June 2012
VOLTA P.H.U     last reported working:  February 2010
WARSAW UNIVERSITY OF TECHNOLOGY     last reported working:  July 2011
WEKTOR SP. Z O.O.     last reported working:  February 2012
WIAKOM Witold Cichon     last reported working:  February 2012
WIDE-NET ISP     last reported working:  December 2011
Wielunska Spoldzielnia Mieszkaniowa w Wieluniu     last reported working:  July 2012
WIFI-LINE Agnieszka Domanska     last reported working:  August 2012
Wit-Net Beata Reszka     last reported working:  October 2012
Wojskowa Akademia Techniczna im. Jaroslawa Dabrows     last reported working:  December 2012
Wyzsza Szkola Informatyki i Zarzadzania     last reported working:  December 2011
YAGA     last reported working:  August 2011
Yureco Spolka Akcyjna     last reported working:  May 2013
Zachodniopomorski Uniwersytet Technologiczny w Szc     last reported working:  April 2013
Zaklad Uslug Antenowych SAT-MONT-SERVICE Jacek Mru     last reported working:  January 2013
ZAMEKNET S.C.     last reported working:  August 2011
Zameknet s.c. Bartosz Bachowski, Michal Hankus     last reported working:  December 2012
ZAPNET Karol Zapart sj     last reported working:  February 2013
Zax.eu sp. z o.o     last reported working:  November 2012
Zax.pl Cisek i Wspolnicy spolka jawna     last reported working:  May 2012
ZDNet S.C. Marcin Miller, Piotr Woszczak     last reported working:  April 2013
ZEORK S.A.     last reported working:  January 2012
ZETO S.A. Tarnow     last reported working:  November 2011
ZETO-RZESZOW Sp. z o.o.     last reported working:  November 2012
ZTS Echostar Studio     last reported working:  April 2013